Finding the Fourth Proportional to 4,887,750.20, 7,334,249.70 and 2,048,149.40
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Solution
The fourth proportional to 4,887,750.20, 7,334,249.70 and 2,048,149.40 is: 3,073,323.82
Step by Step Solution
- Step 1: Write the proportion equation
4,887,750.20 : 7,334,249.70 = 2,048,149.40 : x - Step 2: Convert to fraction form
4,887,750.20/7,334,249.70 = 2,048,149.40/x - Step 3: Cross multiply
4,887,750.20x = 7,334,249.70 × 2,048,149.40 - Step 4: Simplify right side
4,887,750.20x = 15,021,639,122,505.18 - Step 5: Solve for x
x = 15,021,639,122,505.18/4,887,750.20 - Step 6: Final answer
x = 3,073,323.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.